Final answer:
The proper name for the chemical formula Cl4O5 is tetrachlorine pentoxide, which follows the naming rules for covalent molecular compounds using prefixes to indicate the number of atoms.
Step-by-step explanation:
The proper name for the chemical formula Cl4O5 can be deduced by applying the rules for naming covalent molecular compounds. Each element is named using its standard name, with prefixes added to indicate the number of atoms of each element: mono- (1), di- (2), tri- (3), tetra- (4), penta- (5), hexa- (6), and so on. In the case of Cl4O5, 'tetrachlorine' refers to the four chlorine atoms, while 'pentoxide' refers to the five oxygen atoms. Combined, this gives the compound name tetrachlorine pentoxide. Typically, if there's only one atom of the first element, we omit the 'mono-' prefix for that element, but use prefixes for the remaining elements as needed.
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